Sources say Johnson went to the school on Monday in an attempt to get financial aid to continue his studies but was rejected. He returned to school Tuesday to "voice his disagreement" about the decision with Elsenrath.

Between 40 and 50 students were on campus at the time of the shooting. No other injuries were reported.

The school is closed and will reopen Tuesday, January 22.

Approximately 180 students attend the Stevens Institute of Business and Arts, which offers degrees in Fashion & Retail, Interior Design, Business Administration, Tourism & Hospitality and Paralegal studies. In-state tuition is $10,125 per year.